Finding the Fourth Proportional to 1,125,167,204.22, 1,687,814,579.25 and 348,923,221.98
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Solution
The fourth proportional to 1,125,167,204.22, 1,687,814,579.25 and 348,923,221.98 is: 523,404,609.46
Step by Step Solution
- Step 1: Write the proportion equation
1,125,167,204.22 : 1,687,814,579.25 = 348,923,221.98 : x - Step 2: Convert to fraction form
1,125,167,204.22/1,687,814,579.25 = 348,923,221.98/x - Step 3: Cross multiply
1,125,167,204.22x = 1,687,814,579.25 × 348,923,221.98 - Step 4: Simplify right side
1,125,167,204.22x = 588,917,701,096,728,064 - Step 5: Solve for x
x = 588,917,701,096,728,064/1,125,167,204.22 - Step 6: Final answer
x = 523,404,609.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.